score
Largest Gadget Discovery Site in India

Samsung Galaxy S Duos 2 vs Microsoft Lumia 638

Compare Samsung Galaxy S Duos 2

Rs. 11,230
(Discontinued)

 

View Details >

Compare Microsoft Lumia 638

Rs. 11,990
(Discontinued)

 

View Details >

Summary
Performance

Broadcom BCM21664T

768 MB RAM

Snapdragon 400

1 GB RAM

Display

4.0" (10.16 cm)

400x800 px

4.5" (11.43 cm)

480x854 px

Rear Camera

5 MP

Single Camera

5 MP

Single Camera

Front Camera

0.3 MP

Single Camera

N/A

Battery

1500 mAh

8 h talktime (3G)

1830 mAh

Storage

4 GB

64 GB (Expandable)

8 GB

128 GB (Expandable)

Expert Rating
User Rating

★★★★★
★★★★★

4.1/5 based on 16,158 ratings

★★★★★
★★★★★

3.9/5 based on 1,410 ratings

Compare Prices
Samsung Galaxy S Duos 2 is permanently discontinued.
Microsoft Lumia 638 is permanently discontinued.
General
Operating System

Android v4.2.2 (Jelly Bean)

Windows Phone v8.1

Performance
Chipset

Broadcom BCM21664T

Qualcomm Snapdragon 400 MSM8926

CPU

Dual core, 1.2 GHz, Cortex A9

Quad core, 1.2 GHz, Cortex A7

Architecture

24 bit

Graphics

Broadcom VideoCore IV

Adreno 305

RAM

768 MB

1 GB

Display
Display Type

TFT

IPS LCD

Screen Size

4.0 " (10.16 cm)

4.5 " (11.43 cm)

Resolution

400x800 px

480x854 px

Pixel Density

224 ppi

218 ppi

Screen to Body Ratio (calculated)

53.86 %

64.59 %

Touch Screen

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen, Multi-touch

Design
Size Compare
Size Compare
Dimensions

Height: 121.5 mm
Width: 63.1 mm
Thickness: 10.57 mm

Height: 129.5 mm
Width: 66.7 mm
Thickness: 9.2 mm

Weight

118 grams

134 grams

Colours

Black, White

Black, White

Camera
Main Camera
Camera Setup

Single

Single

Resolution

5 MP, Primary Camera

5 MP f/2.4, Primary Camera(28 mm focal length)

Autofocus

Flash

, LED Flash

Image Resolution

2592 x 1944 Pixels

2592 x 1944 Pixels

Settings

Exposure compensation, ISO control

Shooting Modes

Macro Mode

Camera Features

Digital Zoom

4 x Digital Zoom
Face detection
Touch to focus

Video Recording

1280x720 @ 30 fps

1280x720 @ 30 fps

Front Camera
Camera Setup

Single

Resolution

0.3 MP, Primary Camera

Battery
Capacity

1500 mAh

1830 mAh

Type

Li-ion

Li-ion

TalkTime

Up to 8 Hours(3G)

Standby time

Up to 280 Hours(3G)

Storage
Internal Memory

4 GB

8 GB

Expandable Memory

, Up to 64 GB

, Up to 128 GB

Network & Connectivity
SIM Slot(s)

Dual SIM, GSM+GSM

Single SIM, GSM

SIM Size

SIM1: Micro

SIM1: Micro

Network Support

5G Not Supported in India, 3G, 2G

5G Not Supported in India, 4G Supported in India, 3G, 2G

SIM 1

3G Bands:
UMTS 2100 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
3G Speed:
HSDPA 21 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑
GPRS:
Class 12
EDGE:
Class 12

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39)
FD-LTE 1800(band 3) / 2600(band 7)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
4G Speed:
50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4)
3G Speed:
HSDPA 42.2 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑
GPRS:
Available
EDGE:
Available
Read More..

SIM 2

2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz

SAR Value

Head: 0.59 W/kg, Body: 0.43 W/kg

Wi-Fi

, Wi-Fi 4 (802.11 b/g/n)

, Wi-Fi 4 (802.11 b/g/n)

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Bluetooth

, v4.0

, v4.0

GPS

with A-GPS, Glonass

with A-GPS, Glonass

USB Connectivity

USB 2.0, microUSB 2.0

microUSB 2.0

Multimedia
FM Radio

, RDS, Stereo FM

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

Sensors
Other Sensors

Proximity sensor, Accelerometer, Compass

Accelerometer